Mathematical separation of the main components of milk from kinetic data obtained by attenuated total reflection infrared spectroscopy

Julia Kostychenko; Andrey Bogomolov

doi:10.3390/CSAC2023-14926

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Mathematical separation of the main components of milk from kinetic data obtained by attenuated total reflection infrared spectroscopy

Julia Kostychenko

^*,

Andrey Bogomolov

¹ Samara State Technical University, Department for Analytical and Physical Chemistry, Samara, Russia

Academic Editor: Nicole Jaffrezic-Renault

Published: 07 October 2023 by MDPI in The 2nd International Electronic Conference on Chemical Sensors and Analytical Chemistry session Optical Chemical Sensors

https://doi.org/10.3390/CSAC2023-14926

Abstract:

The possibilities of using mid-infrared (IR) spectroscopy in combination with the method of attenuated total reflection (ATR) to analyse the quality of dairy products are shown. Application of chemometrics [1], in particular, the curve resolution method (MCR) to spectral data of the milk drop drying process allows us to obtain spectra of its individual components and make quantitative estimates of the sample composition [2].

Keywords: milk analysis, fat, protein, infrared spectroscopy, attenuated total reflection, curve resolution method

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Julia Kostychenko

Andrey Bogomolov